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DTC codes / Chrysler codes / P1683

P1683 · ChryslerSpeed Control Power Relay Or Speed Control 12 Volt Driver Circuit Open Or Shorted

P1683 on Chrysler vehicles means the speed control (cruise control) power relay or the 12-volt driver circuit to the speed control servo is open or shorted. The powertrain control module (PCM) monitors the relay control circuit and the voltage supplied to the servo, and it sets this code when the expected voltage is missing or outside the acceptable range.

SystemPowertrain
Code typeChrysler specific
SeverityMedium
Fix difficultyIntermediate
AreaComputer and output circuits

Guidance is general and written for Chrysler vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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